Waterless/Dry Places - Definition: Places that lack satisfaction. 

Luke 11:23 What happens when an evil spirit comes out of a person, it goes through DRY PLACES

When the demon returns to see the house, the house is clean and swept, it left to gather SEVEN more wicked spirits.

Satan is making a legal claim against YOU! Every voice that you hear is not your own. 
Satan is without a body and is searching for a body in you.